Maak de erbijsom tot 20
Erbijsommen
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1.
7 + 7 =
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2.
17 + 1 =
|
3.
16 + 3 =
|
|
4.
19 + 0 =
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5.
20 + 0 =
|
6.
8 + 1 =
|
|
7.
5 + 8 =
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8.
7 + 13 =
|
9.
9 + 4 =
|
|
10.
20 + 0 =
|
11.
19 + 0 =
|
12.
9 + 0 =
|
|
13.
17 + 3 =
|
14.
19 + 0 =
|
15.
7 + 10 =
|
|
16.
2 + 11 =
|
17.
6 + 6 =
|
18.
19 + 1 =
|
|
19.
9 + 11 =
|
20.
18 + 0 =
|
21.
8 + 7 =
|
|
22.
9 + 8 =
|
23.
2 + 0 =
|
24.
7 + 1 =
|
|
25.
6 + 13 =
|
26.
19 + 0 =
|
27.
9 + 7 =
|
|
28.
14 + 5 =
|
29.
17 + 1 =
|
30.
19 + 0 =
|
|
31.
15 + 5 =
|
32.
8 + 5 =
|
33.
3 + 9 =
|